CN108901302A - A kind of vegetable harvester - Google Patents
A kind of vegetable harvester Download PDFInfo
- Publication number
- CN108901302A CN108901302A CN201811016813.4A CN201811016813A CN108901302A CN 108901302 A CN108901302 A CN 108901302A CN 201811016813 A CN201811016813 A CN 201811016813A CN 108901302 A CN108901302 A CN 108901302A
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- China
- Prior art keywords
- push rod
- fixedly mounted
- digging
- leg
- square
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- 235000013311 vegetables Nutrition 0.000 title claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 14
- 239000007787 solid Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D13/00—Diggers, e.g. potato ploughs
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D33/00—Accessories for digging harvesters
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvesting Machines For Specific Crops (AREA)
- Manipulator (AREA)
Abstract
The present invention discloses a kind of vegetable harvester, knife, push rod, four groups of full landform obstacle detouring wheel legs etc. are grabbed including motor mount, motor, rack, digging, rack is one piece of square deckle board, square deckle board all extends certain length on four angles, the isosceles trapezoid arch that square area both ends are barricaded as by square-tube type material, top are one piece of square plates；Full landform obstacle detouring wheel leg（Four groups）It is rotatably installed in the quadrangle extended spot etc. of rack respectively；The present invention is by the way of whole audience positioning, pass through relative position of the robot in vegetable garden, vegetable garden model and robot and vegetable cultivation point position are calculated, other vegetable fields can accurately and be not injured and be moved to any vegetable cultivation point, dish is dug for robot and provides accurate data support.
Description
Technical field
The present invention relates to agricultural mechanical field, in particular to a kind of vegetable harvester.
Background technique
As new countryside construction rises, agriculture field is paid attention to, and life in the countryside also increasingly improves, and peasant digs the work of dish
Make inefficiency and consume one's strength, and is with artificial intelligence field universal, reduce work amount, liberate labour, when labour
Between be the intelligentized development trend of agricultural machinery, small-sized vegetable garden Wa Cai robot can enter the work of vegetable garden environment to avoid the mankind
Bring a series of problems, while being one of the scheme mode for realizing small-sized vegetable garden picking automation, it is therefore desirable to a kind of application
In small-sized vegetable garden Wa Cai robot.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of vegetable harvester, by the way of whole audience positioning, pass through robot
Relative position in vegetable garden calculates vegetable garden model and robot and vegetable cultivation point position, can accurately and not injure it
His vegetable field is moved to any vegetable cultivation point, digs dish for robot and provides accurate data support.
Technical solution used in the present invention is：A kind of vegetable harvester, including：Motor mount, motor, first push away
Bar, the second push rod, rack, digging grab knife support plate, third push rod, the 4th push rod, dig pawl knife unit, four groups of full landform Stump-jump wheels
Leg, four stepper motors it is characterized in that：The bottom of the frame is one piece of square deckle board, on four angles of square deckle board all
Certain length, the isosceles trapezoid arch that square area both ends are barricaded as by square-tube type material are extended, top is one piece of square plate；Institute
It states the first push rod and the second push rod is symmetrically and fixedly mounted to square plate top straight up, the motor mount is fixedly mounted on
The other end of first push rod and the second push rod, the motor are fixedly mounted on motor mount straight down, and described
Three push rods and the 4th push rod are symmetrically and fixedly mounted to the square deckle board of bottom of the frame straight up, and knife support plate is grabbed in the digging
It is fixedly mounted on the other end of third push rod and the 4th push rod, the digging grabs knife unit and is connected by motor output shaft, and with
The contact of knife support plate, the full landform obstacle detouring wheel leg are grabbed in digging（Four groups）It is rotatably installed in the quadrangle extended spot of rack, institute respectively
The stepper motor stated, which is fixedly mounted, rotates installation place with full landform obstacle detouring leg wheel on the rack.
Further, it includes support plate, weighing roller, roller bearing, the support board ends that knife support plate is grabbed in the digging
It is fixedly mounted with the other end of third push rod, the 4th push rod, it is rounded among the support plate, and have an annular convex platform,
72 roller bearings have been fixedly mounted on support plate bottom end, have been cased with load-bearing roller on each roller bearing.
Further, the digging grabs knife unit and includes drive shaft, driving gear, meshing gear rotary-tray, resets bullet
Spring, digging grab tool arm, knife is grabbed in adjusting screw, digging；The drive shaft and motor shaft is fixedly mounted, the fixed peace of the driving gear
On the driving shaft, the meshing gear rotary-tray upper end is the external gear of one with gear cooperation to dress, and external gear lower end has
Three along the equally distributed link block in external gear center, meshing gear rotary-tray lower end is a plectane, has three pairs on plectane
Baffle is uniformly uniformly distributed along the center of circle vertically（It is uniformly staggered with link block）, have a cylinder between each pair of baffle, described answers
Position spring is fixedly mounted on the plectane of cylinder lower end, and the meshing gear rotary-tray is placed on grabs in knife support plate in digging,
The drive shaft extends to meshing gear rotary-tray bottom end overhead, and the diameter of the drive shaft bottom part is greater than
Shaft diameter is driven, the digging, which is grabbed among tool arm, a hole, covers the cylinder between the baffle of meshing gear rotary-tray lower end
On, the hole that knife upper end is grabbed in the digging is connected with the hole that tool arm end is grabbed in digging by the adjusting screw.
Further, the full landform obstacle detouring leg wheel includes leg support, the first stepper motor, the first telescopic rod, push rod,
Two telescopic rods, sliding block hinge link block, leg bar, shock-proof spring, second stepper motor, wheel support, wheel, third stepper motor；
Among the leg support and there is a circular hole in end, and uniform rotation is mounted on rack low side square-shaped frame respectively for one end of no circular hole
The extended spot at four angles of plate, first stepper motor are rotatably installed among leg support at circular hole, and described first is flexible
Bar is rotatably installed among leg support at circular hole and is rotatablely installed with motor shaft, and second telescopic rod passes through the first telescopic rod end
The sliding slot at end is connected, and the push rod is fixedly mounted the baffle among end and the first telescopic rod and is fixedly mounted, the other end and second
The baffle of telescopic rod end is fixedly mounted, and there are a circular hole, the cylinder of circular hole and the second telescopic rod end in the leg bar top
The circular hole of rotational installation, described sliding block hinge link block one end and leg support end is rotatablely installed by cylinder, other end circular hole
It is then installed with the cylindrical slid among leg bar, the shock-proof spring is fixedly mounted on the bottom of leg bar, second stepping
Motor is fixedly mounted on the connecting plate of shock-proof spring bottom, and the axis of the support frame and stepper motor is fixedly mounted, described
Wheel be rotatably installed in the centre inside support frame, the third stepper motor is fixedly mounted on the support frame, axis and wheel
Axis is connected.
Beneficial effect of the present invention：（1）The present invention is positioned using the whole audience, spacing arrangement kind of the vegetable cultivation point to be fixedly mounted
It plants, robot relative position is obtained by calculation, acquire corresponding vegetables for robot and provide accurately data support；（2）This
Invention replaces the mankind to enter the vegetables that garden excavates plantation using robot, can avoid a series of problems.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is that knife support plate schematic diagram is grabbed in digging of the invention.
Fig. 3 is that knife cellular construction schematic diagram is grabbed in digging of the invention.
Fig. 4 is full landform obstacle detouring leg wheel construction schematic diagram of the invention.
Drawing reference numeral：1- motor mount；2- motor；The first push rod of 3-；The second push rod of 4-；5- rack；Knife branch is grabbed in 6- digging
Fagging；7- third push rod；The 4th push rod of 8-；9- digs pawl knife unit；The full landform obstacle detouring wheel leg of 10-；11- stepper motor；601- branch
Fagging；602- weighing roller；603- roller bearing；901- drive shaft；902- drives gear；903- meshing gear rotary-tray；904-
Reset spring；Tool arm is grabbed in 905- digging；906- adjusting screw；Knife is grabbed in 907- digging；1001- leg support；The first stepper motor of 1002-；
The first telescopic rod of 1003-；1004- push rod；The second telescopic rod of 1005-；1006- leg bar；1007- sliding block hinge link block；1008-
Shock-proof spring；1009- second stepper motor；1010- wheel support；1011- wheel；1012- third stepper motor.
Specific embodiment
The invention will be further described combined with specific embodiments below, in the illustrative examples and explanation of the invention
For explaining the present invention, but it is not as a limitation of the invention.
A kind of vegetable harvester as shown in Figure 1, Figure 2, Figure 3, Figure 4, including motor mount 1, motor 2, the first push rod
3, the second push rod 4, rack 5, digging are grabbed knife support plate 6, third push rod 7, the 4th push rod 8, digging 9, four groups of full landform of pawl knife unit and are got over
Hinder wheel leg 10, four stepper motors 11 it is characterized in that：5 bottom of rack is one piece of square deckle board, four angles of square deckle board
On all extend certain length, the isosceles trapezoid arch that square area both ends are barricaded as by square-tube type material, top is one piece of side
Plate；First push rod 3 and the second push rod 4 are symmetrically and fixedly mounted to square plate top straight up, and motor mount 1 is fixedly mounted
In the other end of the first push rod 3 and the second push rod 4, motor 2 is fixedly mounted on straight down on motor mount 1, third push rod 7
It is symmetrically and fixedly mounted to the square deckle board of 5 bottom of rack straight up with the 4th push rod 8, the fixed installation of knife support plate 6 is grabbed in digging
In the other end of third push rod 7 and the 4th push rod 8, digging grabs knife unit 9 and is connected by 2 output shaft of motor, and grabs knife support with digging
Plate 6 contacts, full landform obstacle detouring wheel leg 10（Four groups）It is rotatably installed in the quadrangle extended spot of rack 5 respectively, stepper motor 11 is fixed
It is mounted on the rack and rotates installation place with full landform obstacle detouring leg wheel.
It includes support plate 601, load-bearing roller 602, roller bearing 603 that knife support plate 6 is grabbed in digging, and 601 both ends of support plate are pushed away with third
The other end fixed installation of bar 7, the 4th push rod 8, support plate centre is rounded, and has an annular convex platform, on support plate bottom end
72 roller bearings 603 have been fixedly mounted, have been cased with load-bearing roller 602 on each roller bearing.
Digging grab knife unit 9 include drive shaft 901, driving gear 902, meshing gear rotary-tray 903, reset spring 904,
Digging grabs tool arm 905, adjusting screw 906, digs and grab knife 907；Drive shaft 901 and motor shaft are fixedly mounted, the fixed peace of driving gear 902
In drive shaft 901,903 upper end of meshing gear rotary-tray is the external gear of one with gear cooperation, and external gear lower end has
Three along the equally distributed link block in external gear center, 903 lower end of meshing gear rotary-tray is a plectane, has three on plectane
Baffle is uniformly uniformly distributed along the center of circle vertically（It is uniformly staggered with link block）, have a cylinder between each pair of baffle, reset bullet
Spring 904 is fixedly mounted on the plectane of cylinder lower end, and meshing gear rotary-tray 903 is placed on grabs in knife support plate 6 in digging, driving
Axis 901 extends to 903 bottom end overhead of meshing gear rotary-tray, and the diameter of 901 bottom part of drive shaft is greater than drive shaft
901 diameters, digging, which is grabbed, a hole among tool arm 905, covers on the cylinder between the baffle of 903 lower end of meshing gear rotary-tray,
The hole that 907 upper end of knife is grabbed in digging is connected with the hole that 905 end of tool arm is grabbed in digging by adjusting screw.
Full landform obstacle detouring leg wheel 10 includes leg support 1001, the first stepper motor 1002, the first telescopic rod 1003, push rod
1004, the second telescopic rod 1005, sliding block hinge link block 1006, leg bar 1007, shock-proof spring 1008, second stepper motor
1009, wheel support 1010, wheel 1011, third stepper motor 1012；Among leg support 1001 and there are a circular hole, no circular hole in end
One end respectively uniform rotation be mounted on 5 low side square deckle board of rack four angles extended spot, the first stepper motor 1002
It is fixedly mounted at the intermediate circular hole of leg support 1001, the first telescopic rod 1003 is rotatably installed at the intermediate circular hole of leg support 1001 and with
The rotational installation of one stepper motor 1002, the second telescopic rod 1005 are connected by the sliding slot of 1003 end of the first telescopic rod, and push rod is solid
Determine the baffle among installation end and the first telescopic rod 1003 to be fixedly mounted, the baffle of 1005 end of the other end and the second telescopic rod is solid
There are a circular hole, the cylinder rotational installation of 1005 end of circular hole and the second telescopic rod, sliding block hinge in Dingan County's dress, 1007 top of leg bar
The circular hole of 1006 one end of link block and 1001 end of leg support is rotatablely installed by cylinder, and other end circular hole is then and among leg bar 1007
Cylindrical slid installation, shock-proof spring 1008 is fixedly mounted on the bottom of leg bar 1007, and second stepper motor 1009 is fixedly mounted
On the connecting plate of 1008 bottom of shock-proof spring, the axis of support frame and stepper motor is fixedly mounted, and wheel 1011 is rotatably installed in
Centre inside support frame, third stepper motor 1012 are fixedly mounted on the support frame, and axis is connected with wheel shaft.
Working principle of the present invention：In the use of the present invention, establishing model by the relative positioning in robot and vegetable garden, make machine
Device people, which calculates, reaches posture and distance that specified vegetable cultivation point needs, and the vegetables that need to be crossed or soil swelling-shrinkage, robot
With full landform obstacle crossing function, there are multiple freedom degrees on full landform obstacle detouring leg wheel 10, robot obstacle detouring, while shock-absorbing may be implemented
Spring 1008 is for the small-scale obstacle（Bumpy road）Buffering effect can be played, full landform obstacle detouring leg wheel 10 can be by rack
Four stepper motors 11 adjust the angle, when robot reaches specified vegetable cultivation point, full landform obstacle detouring leg wheel is by robot
Posture minimizes level height, so that digging is grabbed knife 907 and contacts with soil, starts motor 2, and the drive of gear 902 on motor shaft is nibbled
It closes rotary-tray 903 to rotate, 907 synchronous rotary of knife is grabbed in the digging being rotatably installed on engagement rotary-tray 903, at this time the first push rod
3, the second push rod 4, third push rod 7, the 4th push rod 8 are from initial position（Maximum height）Start synchronous, digging grabs knife 9 and buries depth
Degree is stepped up, and when the first push rod 3, the second push rod 4, third push rod 7, the 4th push rod 8 are contracted to minimum position, completes to loosen the soil
The process dug into, at this point, the first push rod 3, the second push rod 4 first rise, the cylinder of shaft end grabs digging to be lifted on tool arm side, digs pawl
Knife 907 starts packet inwardly and holds together, and when push rod rises to certain altitude, digging is grabbed the packet of tool arm 905 and held together to most compact, at this time gear with
External gear is also detached from, and the first push rod 3, the second push rod 4, third push rod 7, the 4th push rod 8 start while rising until the first push rod
3, the second push rod 4 arrives maximum position, robot pose is raised up to normal level by full landform obstacle detouring leg wheel at this time, then will dig out
Vegetables are carried to designated place.
Claims (4)
1. a kind of vegetable harvester, including motor mount（1）, motor（2）, the first push rod（3）, the second push rod（4）, rack
（5）, dig grab knife support plate（6）, third push rod（7）, the 4th push rod（8）, dig pawl knife unit（9）, four groups of full landform obstacle detouring wheel legs
（10）, stepper motor（11）, it is characterised in that：The rack（5）Bottom is one piece of square deckle board, square deckle board four
Certain length, the isosceles trapezoid arch that square area both ends are barricaded as by square-tube type material are all extended on angle, top is one piece
Square plate；First push rod（3）With the second push rod（4）It is symmetrically and fixedly mounted to square plate top, the motor peace straight up
Fill seat（1）It is fixedly mounted on the first push rod（3）With the other end of the second push rod 4, the motor（2）It is fixedly mounted straight down
In motor mount（1）On, the third push rod 7 and the 4th push rod（8）It is symmetrically and fixedly mounted to rack straight up（5）Bottom
Knife support plate is grabbed in the square deckle board in portion, the digging（6）It is fixedly mounted on third push rod（7）With the 4th push rod（8）It is another
Knife unit is grabbed in end, the digging（9）Pass through motor（2）Output shaft is connected, and grabs knife support plate with digging（6）Contact, described is complete
Landform obstacle detouring wheel leg（10）It is rotatably installed in rack respectively（5）Quadrangle extended spot, the stepper motor（11）It is fixedly mounted
Installation place is rotated with full landform obstacle detouring leg wheel on the rack.
2. a kind of vegetable harvester as described in claim 1, it is characterised in that：Knife support plate is grabbed in the digging（6）Including branch
Fagging（601）, load-bearing roller（602）, roller bearing（603）, the support plate（601）Both ends and third push rod（7）, the 4th push rod
（8）The other end be fixedly mounted, it is rounded among the support plate, and have an annular convex platform, it is fixed on support plate bottom end
It is mounted with 72 roller bearings（603）, load-bearing roller is cased on each roller bearing（602）.
3. a kind of vegetable harvester as described in claim 1, it is characterised in that：Knife unit is grabbed in the digging（9）Including driving
Axis（901）, driving gear（902）, meshing gear rotary-tray（903）, reset spring（904）, dig grab tool arm 905, adjustment spiral shell
Nail（906）, dig grab knife（907）；The drive shaft（901）It is fixedly mounted with motor shaft, the driving gear（902）It is fixed
It is mounted on drive shaft（901）On, 903 upper end of meshing gear rotary-tray is the external gear of one with gear cooperation, outside
Gear lower end have three along the equally distributed link block in external gear center, meshing gear rotary-tray（903）Lower end is a circle
Plate has three pairs of baffles to be uniformly uniformly distributed vertically along the center of circle on plectane（It is uniformly staggered with link block）, have one between each pair of baffle
A cylinder, the reset spring（904）It is fixedly mounted on the plectane of cylinder lower end, the meshing gear rotary-tray
（903）It is placed on and grabs knife support plate in digging（6）On, the drive shaft（901）Extend to meshing gear rotary-tray（903）
Bottom end overhead, the drive shaft（901）The diameter of bottom part is greater than drive shaft（901）Tool arm is grabbed in diameter, the digging
（905）There is a hole in centre, is rotatably installed in meshing gear rotary-tray（903）It is described on cylinder between the baffle of lower end
Knife is grabbed in digging（907）Tool arm is grabbed in the hole of upper end and digging（905）The hole of end is connected by the adjusting screw.
4. a kind of vegetable harvester as described in claim 1, it is characterised in that：The full landform obstacle detouring leg wheel（10）Including
Leg support（1001）, the first stepper motor（1002）, the first telescopic rod（1003）, push rod（1004）, the second telescopic rod（1005）, it is sliding
Block hinge link block（1006）, leg bar（1007）, shock-proof spring（1008）, second stepper motor（1009）, wheel support（1010）,
Wheel（1011）, third stepper motor（1012）；The leg support（1001）There is a circular hole in intermediate and end, and the one of no circular hole
Uniform rotation is mounted on rack respectively at end（5）The extended spot at four angles of low side square deckle board, first stepper motor
（1002）It is fixedly mounted on leg support（1001）At intermediate circular hole, first telescopic rod（1003）It is rotatably installed in leg support
（1001）At intermediate circular hole and with the first stepper motor（1002）Rotational installation, second telescopic rod（1005）Pass through first
Telescopic rod（1003）The sliding slot of end is connected, and end and the first telescopic rod is fixedly mounted in the push rod（1003）Intermediate baffle is solid
Dingan County's dress, the other end and the second telescopic rod（1005）The baffle of end is fixedly mounted, the leg bar（1007）Top has one
Circular hole, circular hole and the second telescopic rod（1005）The cylinder of end is rotatablely installed, the sliding block hinge link block（1006）One end
With leg support（1001）The circular hole of end by cylinder be rotatablely installed, other end circular hole then with leg bar（1007）Intermediate cylindrical slid
Installation, the shock-proof spring（1008）It is fixedly mounted on leg bar（1007）Bottom, the second stepper motor（1009）
It is fixedly mounted on shock-proof spring（1008）On the connecting plate of bottom, the support frame（1010）With stepper motor（1009）Rotation
Installation, the wheel（1011）It is rotatably installed in the centre inside support frame, the third stepper motor（1012）It is fixed
On the support frame, axis is connected with wheel shaft for installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811016813.4A CN108901302B (en) | 2018-09-03 | 2018-09-03 | Vegetable harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811016813.4A CN108901302B (en) | 2018-09-03 | 2018-09-03 | Vegetable harvester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108901302A true CN108901302A (en) | 2018-11-30 |
| CN108901302B CN108901302B (en) | 2021-04-23 |
Family
ID=64406539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811016813.4A Active CN108901302B (en) | 2018-09-03 | 2018-09-03 | Vegetable harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108901302B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106182022A (en) * | 2016-07-06 | 2016-12-07 | 徐子桐 | A kind of vegetable rotary-cut is gathered robot |
| CN106304947A (en) * | 2016-08-28 | 2017-01-11 | 张玉华 | Intelligent mowing robot |
| JP2017042058A (en) * | 2015-08-24 | 2017-03-02 | 井関農機株式会社 | Combine-harvester |
| CN106717447A (en) * | 2015-11-24 | 2017-05-31 | 泉州市知产茂业工业设计有限公司 | A kind of small-sized Rhizoma Schizocapsae Plantagineae picking robot |
| CN107053126A (en) * | 2017-05-25 | 2017-08-18 | 徐秀娥 | A kind of intelligent gardens weed-eradicating robot |
| CN107756414A (en) * | 2017-10-25 | 2018-03-06 | 重庆工商大学 | Strawberry picking robot |
-
2018
- 2018-09-03 CN CN201811016813.4A patent/CN108901302B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017042058A (en) * | 2015-08-24 | 2017-03-02 | 井関農機株式会社 | Combine-harvester |
| CN106717447A (en) * | 2015-11-24 | 2017-05-31 | 泉州市知产茂业工业设计有限公司 | A kind of small-sized Rhizoma Schizocapsae Plantagineae picking robot |
| CN106182022A (en) * | 2016-07-06 | 2016-12-07 | 徐子桐 | A kind of vegetable rotary-cut is gathered robot |
| CN106304947A (en) * | 2016-08-28 | 2017-01-11 | 张玉华 | Intelligent mowing robot |
| CN107053126A (en) * | 2017-05-25 | 2017-08-18 | 徐秀娥 | A kind of intelligent gardens weed-eradicating robot |
| CN107756414A (en) * | 2017-10-25 | 2018-03-06 | 重庆工商大学 | Strawberry picking robot |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108901302B (en) | 2021-04-23 |
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Effective date of registration: 20210407 Address after: 266300 west of nanwangtuan village, Jiaolai Town, Jiaozhou City, Qingdao City, Shandong Province Applicant after: Qingdao yijufeng Agricultural Machinery Manufacturing Co.,Ltd. Address before: No.38, Tongyan Road, Haihe Education Park, Jinnan District, Tianjin Applicant before: Feng Xiaoyu |
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